Home / 11,345.56-16,998.79-8,851.67

Finding the Fourth Proportional to 11,345.56, 16,998.79 and 8,851.67

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Solution

The fourth proportional to 11,345.56, 16,998.79 and 8,851.67 is: 13,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.56 : 16,998.79 = 8,851.67 : x
  2. Step 2: Convert to fraction form
    11,345.56/16,998.79 = 8,851.67/x
  3. Step 3: Cross multiply
    11,345.56x = 16,998.79 × 8,851.67
  4. Step 4: Simplify right side
    11,345.56x = 150,467,679.48
  5. Step 5: Solve for x
    x = 150,467,679.48/11,345.56
  6. Step 6: Final answer
    x = 13,262.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.